(Telecompaper) German operator Drillisch reported service revenue for 2015 up 52.4 percent to EUR 433.7 million and EBITDA up 23.9 percent to EUR 105.6 million. The results is in line with its earlier increased forecast for EBITDA of EUR 105 million. The company also boosted its dividend to EUR 1.75 per share. It ended the year with 2.587 million customers at its MVNOs, up by 659,000 or 34.2 percent from a year ago. Drillisch said the growth came mainly in the "highly profitable" budget segment, where it added 721,000 customers for a total 1.932 million. The number of subscribers in the lower-margin volume segment declined to 655,000 from 717,000 at the end of 2014. Drillisch confirmed its EBITDA target for 2016 of EUR 115-120 million.